Magnesium Carbonate

Magnesium carbonate is a compound used to regulate acidity and prevent caking in powdered foods. It can also serve as a nutrient supplement.

Found In
  • Beverages
  • Powdered drinks
  • Supplements
  • Table salt
Also Known As
  • E504
The Beverage Bottom Line

Magnesium carbonate is authorized for use in the U.S., Europe and Canada.

This ingredient may have authorizations in countries not included on this site.


International Assessments and Authorizations


U.S. Food And Drug Administration

Affirmation by FDA this ingredient is generally recognized as safe as a direct human food ingredient. ()

In 2006, dietary reference intakes for magnesium were reviewed by the National Academies of Sciences, Engineering and Medicine.

In 1975, the health aspects of carbonates and bicarbonates as food ingredients were evaluated.

describes nutrition facts labeling requirements.

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European Food Safety Authority

Authorized for use in the EU (nutrient, additives).

In 2015, EFSA issued an opinion on dietary reference values for magnesium.

In 2009, 2010 and 2013, EFSA assessed health claims for magnesium.

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Joint FAO/WHO Expert Committee on Food Additives

Safe for intended uses.

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Safe for intended uses.

In 2006, dietary reference intakes for magnesium were reviewed by the National Academies of Sciences, Engineering and Medicine.

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This page was last updated on 6/30/2025